JVC MC-8200LU Service Manual page 20

2.4 Auto Check Mode
(1) Purpose:
Simply checks the tray transfer operation for all units.
(2) Control:
Set the release bars, then turn the power to ON while press-
ing the key "1" and "4"on the 10-key Pad.
Check that there is no tray in the drive or mail slot. If this is
not sure, first perform the tray auto return mode operation
described in 2.6.
(3) Operation:
Accesses to the 2nd address (Tray No. 49 in the magazine)
from the top and the 2nd address (Tray No. 02 in the maga-
zine) positions, drive and mail slot positions.
Operation Sequence
(MC-8200LU : when drive 1and 2 are connected)
1
Address 199 → Drive 1
2
Address 152 → Drive 2
3
Address 149 → Mail Slot
4
Address 102 → Address 102
5
Address 99 → Address 99
6
Address 52 → Address 52
7
Address 49 → Address 49
8
Address 2 → Address 2
(4) Display during auto check mode
R U N N I N G
Tray No. being accessed.
However, "END" appears when finished.
2.5 Packaging Mode
(1) Purpose:
For shipping the library's main unit, the carrier mechanism is
moved to the fixing position located at the lower end of the
unit and the drive is clamped.
(2) Activation:
Set the release bars, then turn the power to ON while press-
ing the key "1" on the 10-key Pad.
(3) Operation: (when Drives 1 and 2 are connected)
1
Performs carrier initial operation.
2
Checks whether the tray is left in the mail slot or not. If
the tray is left, it is returned to the magazine.
3
Checks whether the tray is left in the drive 1 or not. If the
tray is left, it is returned to the magazine.
4
Checks whether the tray is left in the drive 2 or not. If the
tray is left, it is returned to the magazine. (The same
operation is performed when drives 3 to 6 are installed.)
5
Moves the carrier mechanism to the shipping position.
6
Performs clamping operation for the drive 1.
7
Performs clamping operation for the drive 2. (The same
operation is performed when the drive 3 to 6 are installed.)
→ Address 199
→ Address 152
→ Address 149
M O D E
4 – 0 9 9
2.6 Tray Auto Return Mode
(1) Purpose:
If the tray is left in the drive or the mail slot, performs the
operation to return the tray to the original magazine.
(2) Control:
Set the release bars, then turn the power to ON while press-
ing the key "2"on the 10-key Pad.
(3) Operation:
1
Performs carrier initial operation.
2
Check whether the tray is left in the drive 1 or not. If the
tray is left in, it is returned to the memorized magazine.
3
The same operation as (2) is performed for drives 2 to 6
respectively.
4
Checks whether the tray is left in the mail slot or not. If
the tray is left in, it is returned to the memorized maga-
zine.
5
Operation completed.
2.7 Disc/Tray Check Mode
(1) Purpose:
Checks the presence/absence of the tray/disc in the maga-
zine and stores the information in the CPU as the mapping
data.
(2) Control:
While pressing the MODE switch and LOAD/EJECT switch
simultaneously, turn the power ON.
(3) Operation:
1
Performs carrier initial operation.
2
Takes up the tray in the address "001" on the carrier and
checks the tray and disc, then returns it to the original
position.
3
Performs the operation described in (2) for addresses till
"200" (address "600" for MC-8600LU).
4
Operation completed.
2.8 Memory Clear Mode
(1) Purpose:
Clears the backup memory for the mechanism CPU and SCSI
CPU, including to reset the disc/tray mapping data and SCSI
ID of the main unit, etc.
(2) Control:
While pressing the key "3"on the 10-key Pad., turn the power
ON.
(3) Operation:
1
Performs the tray auto return mode operation.
2
Clears the backup memory for the mechanism CPU and
SCSI CPU.
* Be sure not to turn the power OFF until the mechanism
operation is completed because the memory is cleared
after the trays left in the drive/mail slot are returned.
3
Operation completed.
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